El Cajon, California Weather:
Sunday, October 18, 2026
Sunny Weather
Day 91°
Night 59°
Precipitation 3 %
Wind 4 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (October 18, 2025)
Cloudy Night

Day

88°

Night

52°

Wind

4 mph

Precipitation

0 %